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All results from a given calculation for CH3NHNHCH3 (dimethyl hydrazine)

using model chemistry: B3LYP/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at B3LYP/STO-3G
 hartrees
Energy at 0K-188.081653
Energy at 298.15K-188.091659
Nuclear repulsion energy132.474074
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at B3LYP/STO-3G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A 3516 3137 0.06      
2 A 3465 3092 0.02      
3 A 3433 3064 8.15      
4 A 3273 2921 10.53      
5 A 1685 1504 0.28      
6 A 1661 1482 0.12      
7 A 1627 1452 0.06      
8 A 1566 1397 0.27      
9 A 1349 1204 16.86      
10 A 1161 1036 0.43      
11 A 1131 1009 3.26      
12 A 1006 897 21.84      
13 A 770 688 40.10      
14 A 340 304 1.98      
15 A 293 261 2.03      
16 A 151 135 2.08      
17 B 3538 3158 18.27      
18 B 3466 3093 0.62      
19 B 3430 3061 3.20      
20 B 3268 2917 0.54      
21 B 1674 1494 5.66      
22 B 1661 1482 14.16      
23 B 1552 1385 3.64      
24 B 1496 1335 3.72      
25 B 1192 1064 1.35      
26 B 1168 1042 28.09      
27 B 1040 928 2.47      
28 B 864 771 23.42      
29 B 503 449 2.25      
30 B 217 194 0.41      

Unscaled Zero Point Vibrational Energy (zpe) 25746.7 cm-1
Scaled (by 0.8924) Zero Point Vibrational Energy (zpe) 22976.4 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at B3LYP/STO-3G
ABC
0.44533 0.17956 0.14563

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/STO-3G

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.172 0.736 -0.745
N2 0.172 -0.736 -0.745
C3 0.172 1.453 0.563
C4 -0.172 -1.453 0.563
H5 -1.238 0.717 -0.773
H6 1.238 -0.717 -0.773
H7 -0.092 2.516 0.425
H8 -0.355 1.073 1.459
H9 1.260 1.381 0.731
H10 0.092 -2.516 0.425
H11 0.355 -1.073 1.459
H12 -1.260 -1.381 0.731

Atom - Atom Distances (Å)
  N1 N2 C3 C4 H5 H6 H7 H8 H9 H10 H11 H12
N11.51151.53062.54971.06662.02482.13142.23762.15563.46582.90022.8008
N21.51152.54971.53062.02481.06663.46582.90022.80082.13142.23762.1556
C31.53062.54972.92602.07662.76171.10381.10721.10343.97162.68693.1796
C42.54971.53062.92602.76172.07663.97162.68693.17961.10381.10721.1034
H51.06662.02482.07662.76172.86132.44572.42612.99043.69503.27482.5811
H62.02481.06662.76172.07662.86133.69503.27482.58112.44572.42612.9904
H72.13143.46581.10383.97162.44573.69501.79401.79185.03453.76184.0792
H82.23762.90021.10722.68692.42613.27481.79401.79843.76182.26142.7153
H92.15562.80081.10343.17962.99042.58111.79181.79844.07922.71533.7389
H103.46582.13143.97161.10383.69502.44575.03453.76184.07921.79401.7918
H112.90022.23762.68691.10723.27482.42613.76182.26142.71531.79401.7984
H122.80082.15563.17961.10342.58112.99044.07922.71533.73891.79181.7984

picture of dimethyl hydrazine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 N2 C4 113.888 N1 N2 H6 102.131
N1 C3 H7 106.892 N1 C3 H8 115.108
N1 C3 H9 108.760 N2 N1 C3 113.888
N2 N1 H5 102.131 N2 C4 H10 106.892
N2 C4 H11 115.108 N2 C4 H12 108.760
C3 N1 H5 104.758 C4 N2 H6 104.758
H7 C3 H8 108.471 H7 C3 H9 108.545
H8 C3 H9 108.887 H10 C4 H11 108.471
H10 C4 H12 108.545 H11 C4 H12 108.887
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.230      
2 N -0.230      
3 C -0.163      
4 C -0.163      
5 H 0.160      
6 H 0.160      
7 H 0.086      
8 H 0.068      
9 H 0.078      
10 H 0.086      
11 H 0.068      
12 H 0.078      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 2.329 2.329
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.105 -1.326 0.000
y -1.326 -24.593 0.000
z 0.000 0.000 -28.094
Traceless
 xyz
x 4.238 -1.326 0.000
y -1.326 0.507 0.000
z 0.000 0.000 -4.745
Polar
3z2-r2-9.490
x2-y22.487
xy-1.326
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.011 -0.215 0.000
y -0.215 3.829 0.000
z 0.000 0.000 2.504


<r2> (average value of r2) Å2
<r2> 94.021
(<r2>)1/2 9.696